Ch 14 Sound Exam (Summative Assessment)

How does this speaker cause sound that can be heard?

• It produces echoes.

• It produces vibrations.

• It releases light.

• It releases heat.

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

What type of wave does the speaker produce for sound to be heard?

• electromagnetic

• longitudinal

• surface

• transverse

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

Which statement is true of the pressure at points A, B, and C?

• The pressure at point A is the greatest.

• The pressure at point B is the greatest.

• The pressure at point C is the greatest.

• The pressure at all three points is equal.

Tags

NGSS.MS-PS2-5

Which two factors can affect the speed of sound?

• size and density of the medium.

• mass and density of the medium.

• temperature and mass of the medium.

• temperature and density of the medium.

Tags

NGSS.MS-PS4-2

A sound wave takes about 0.01 s to move through a material that is 56.4 m long. What is the material?

• air

• glass

• iron

• water

Tags

NGSS.MS-PS4-1

Which structure in the human ear transfers sound vibrations to the stirrup?

• anvil

• cochlea

• ear canal

• eardrum

Which type of sound wave has the greatest energy?

• a wave that has very high intensity.

• a wave that has very low amplitude.

• a wave with particles that do not vibrate from their rest positions.

• a wave with particles that vibrate a short distance from their rest positions.

Tags

NGSS.MS-PS4-1

What can you tell about sounds 1 and 2 by looking at the picture?

• Sound 1 has a lower pitch.

• Sound 1 has a greater frequency.

• Sound 1 has a smaller amplitude.

• Sound 1 has a greater wavelength.

Tags

NGSS.MS-PS4-1

What does the bottom wave in the figure represent?

• silence

• interference

• the Doppler effect

• a fundamental frequency

Tags

NGSS.MS-PS4-1

What differs when the same note is played with the same amplitude by two different kinds of instruments?

• energy

• fundamentals

• intensity

• overtones